Finding the Fourth Proportional to 201,423.74, 301,863.44 and 76,696.70
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Solution
The fourth proportional to 201,423.74, 301,863.44 and 76,696.70 is: 114,941.41
Step by Step Solution
- Step 1: Write the proportion equation
201,423.74 : 301,863.44 = 76,696.70 : x - Step 2: Convert to fraction form
201,423.74/301,863.44 = 76,696.70/x - Step 3: Cross multiply
201,423.74x = 301,863.44 × 76,696.70 - Step 4: Simplify right side
201,423.74x = 23,151,928,381.07 - Step 5: Solve for x
x = 23,151,928,381.07/201,423.74 - Step 6: Final answer
x = 114,941.41
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.